track day tyre pressure
31 July 2009, 09:47 AM
#1
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track day tyre pressure
just need some pointers i am off to beford tomorrow for an open pit lane day
i recently did a driver training day at carlimits were i had to put 50 psi in my tyres is this the same for a track day or do i leave them as is
tyres are 215 / 35 / 18 good year eagle f1's
cheers
i recently did a driver training day at carlimits were i had to put 50 psi in my tyres is this the same for a track day or do i leave them as is
tyres are 215 / 35 / 18 good year eagle f1's
cheers
31 July 2009, 08:04 PM
#3
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If it is an excessively abrasive airfield/runway track (Elvington/Blyton etc) then you will need an extra 6-10psi to prevent scrubbing them to death. A proper track with a good smooth surface (Donnington/Cadwell/Oulton etc) will be OK with road pressures or an extra 2-6psi. Check after each run to see if the outer edge is looking tired and how far down the tire wall the wear is showing, or any tread blocks are breaking off at the edges. Increase 1-2 psi at a time until you find a balance where the car is not too twitchy but the tire wear is controlled better. If it's wet then road pressures should be fine anyway.
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